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a=2;d=3;sum=0; do { sum+=a; a+=d;

if (¡¾sum%4==0¡¿) printf(\} while(sum<200); }

10¼¦Íù²ÓÐ30Ö»£¬½Å¹²ÓÐ90¸ö£¬ÏÂÃæ³ÌÐò¶ÎÊǼÆË㼦Íø÷ÓжàÉÙÖ»£¬ÇëÌî¿Õ¡£ for(x=1;x<=29;x++) { y=30-x;

if (¡¾x*4+y*2==90¡¿) printf(\}

11д³öÏÂÃæ³ÌÐòµÄÔËËã½á¹û¡¾ 7 ¡¿¡£ # include main ( )

{ int a=14, b=63; while (a!=b)

{while (a>b) a-=b; while (a

printf (\ }

12ÏÂÁгÌÐòµÄÊä³öΪ¡¾6 ¡¿¡£ #include main() {

int i,j,x=0;

for(i=0;i<3;i++) { if(i%3==2) break; x++;

for(j=0;j<4;j++) { if(j%2) break; x++; } x++; }

printf(\}

CÓïÑÔ£¨·ÖÖ§ºÍÑ­»·½á¹¹£©¶þ ÒÔϳÌÐòµÄÊä³ö½á¹ûÊÇ( c ) main( )

{ int a=-1£¬b=1£¬k;

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if((++a<0)&&!(b--<=0))

printf(\£¬a£¬b); else

printf(\£¬b£¬a); }

A) -1 1 B) 0 1 C) 1 0 D) 0 0

Óë y=(x>0?1:x<0?-1:0);µÄ¹¦ÄÜÏàͬµÄifÓï¾äÊÇ( a ) A) if (x>0) y=1; B) if(x)

else if(x<0)y=-1; if(x>0)y=1;

else y=0; else if(x<0)y=-1; else y=0; C) y=-1 D) y=0; if(x) if(x>=0) if(x>0)y=1; if(x>0)y=1; else if(x==0)y=0; else y=-1; else y=-1;

ÈôÖ´ÐÐÒÔϳÌÐòʱ´Ó¼üÅÌÉÏÊäÈë9£¬ÔòÊä³ö½á¹ûÊÇ( c main() { int n;

scanf(\

if(n++<10) printf(\ else printf(\}

A) 11 B) 10 C) 9 D) 8

ÈôiΪintÐÍ,ÇÒÓгÌÐòÈçÏÂ,ÔòÊä³ö½á¹ûÊÇ( c ) i=111; if(i%3==0);

printf(\ printf(\

A) #### B) **** C) ####**** D) ÎÞÊä³ö½á¹û Çë¶ÁÏÂÃæ³ÌÐò£º main()

{int x=1, y=2, z=3; x+=y+=z;

printf(\ printf(\}

³ÌÐòÊä³ö½á¹ûΪ( d )

A) 5 4 B) 4 5 C) 5 6 D) 6 5

ÔÚCÓïÑÔµÄifÓï¾äÖУ¬ÓÃ×÷Åжϵıí´ïʽΪ( d )

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) A) ¹Øϵ±í´ïʽ B) Âß¼­±í´ïʽ C) ËãÊõ±í´ïʽ D) ÈÎÒâ±í´ïʽ

Èô±äÁ¿¶¼ÒÑÕýȷ˵Ã÷£¬ÔòÒÔϳÌÐò¶ÎÊä³öΪ( d ) int a=1,b=2,c,d; if (a=b) c=d=a; else c=b;d=b;

printf(\

A)c=1,d=1 B)c=1,d=2 C)c=2,d=1 D)c=2,d=2

ÒÔϳÌÐòµÄÊä³ö½á¹ûÊÇ( d ) main()

{int a=100£¬x=10,y=20£¬a1=5£¬a2=0 if(x

if(y !=10) if(!a1) a=1; else

if(a2) a=10; a=-1;

printf(\

A)1 B) 0 C) 10 D)-1

Èôw¡¢x¡¢y¡¢z¡¢m¾ùΪintÐͱäÁ¿£¬ÔòÖ´ÐÐÏÂÃæÓï¾äºóµÄmÖµÊÇ( a ) w=1;x=2;y=3; z=4;

m=(w

A)1 B)2 C)3 D)4

ÈôÓж¨Òå: float w; int a, b; ÔòºÏ·¨µÄswitchÓï¾äÊÇ( c ) A) switch(w) B) switch(a);

{ case 1.0: printf(\ { case 1 printf(\ case 2.0: printf(\ case 2 printf(\} }

C) switch(b) D) switch(a+b); { case 1: printf(\ { case 1: printf(\ default: printf(\ case 2: printf(\ case 1+2: printf(\ default: printf(\} }

ÈôÊäÈëB,ÒÔϳÌÐòµÄÔËÐнá¹ûΪ ( c ) main()

43

{ char grade;

scanf(\ switch(grade)

{ case 'A': printf(\ case 'B':

case 'C': printf(\ case 'D': printf(\ default: printf(\}

A) >=85 B) >=60 C) >=60 D) error. <60 error.

Ñ¡Ôñ³öiµÄÕýÈ·½á¹û( d ) int i=10; switch(i) {

case 9: i++; case 10: i+=1; case 11:i++; default: i+=1; }

A) 10 B) 11 C) 12 D) 13

CÓïÑÔµÄdo_whileÑ­»·ÖУ¬Ñ­»·ÓÉdo¿ªÊ¼£¬ÓÃwhile½áÊø£»¶øÇÒÔÚwhile±í´ïʽºóÃæµÄ( ²»Äܶª£¬Ëü±íʾd0_whileÑ­»·µÄ½áÊø¡£ A) \\n B) ; C) % D) , ÒÔϳÌÐòµÄÊä³ö½á¹ûÊÇ( b )¡£ #include main() {

int num=0; while(num<=2) {

num++;

printf(\} }

A) 1 B) 1 C) 1 D) 1 2 2 2 3 3 4

ÒÔϳÌÐòµÄÊä³öΪ( d ) # include main( )

44

b)